Home / 1,217,715.54-1,680,422.28-673,850.97

Finding the Fourth Proportional to 1,217,715.54, 1,680,422.28 and 673,850.97

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Solution

The fourth proportional to 1,217,715.54, 1,680,422.28 and 673,850.97 is: 929,900.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,715.54 : 1,680,422.28 = 673,850.97 : x
  2. Step 2: Convert to fraction form
    1,217,715.54/1,680,422.28 = 673,850.97/x
  3. Step 3: Cross multiply
    1,217,715.54x = 1,680,422.28 × 673,850.97
  4. Step 4: Simplify right side
    1,217,715.54x = 1,132,354,183,387.61
  5. Step 5: Solve for x
    x = 1,132,354,183,387.61/1,217,715.54
  6. Step 6: Final answer
    x = 929,900.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.